Millimeter-wave Oscillators and Power-combining Arrays for Commercial Wireless Applications PDF Download
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Author: Mark John Vaughan
Publisher:
ISBN:
Category :
Languages : en
Pages : 416
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Book Description
Author: Mark John Vaughan
Publisher:
ISBN:
Category :
Languages : en
Pages : 416
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Book Description
Author: Robert Armstrong York
Publisher:
ISBN:
Category :
Languages : en
Pages : 446
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Book Description
Author: Ali M. Niknejad
Publisher: Springer Science & Business Media
ISBN: 0387765611
Category : Technology & Engineering
Languages : en
Pages : 313
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Book Description
This book compiles and presents the research results from the past five years in mm-wave Silicon circuits. This area has received a great deal of interest from the research community including several university and research groups. The book covers device modeling, circuit building blocks, phased array systems, and antennas and packaging. It focuses on the techniques that uniquely take advantage of the scale and integration offered by silicon based technologies.
Author: Andrew Charles Davidson
Publisher:
ISBN:
Category : Array processors
Languages : en
Pages : 314
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Book Description
About 60 GHz IMPATT oscillator array with pulsed operation, photoconductive sampling with an integrated loop, GaInAs MSM photodetectors with Cu Schottky contacts, and multi-laser phase-locked loops.
Author: Manuel García Sanchez
Publisher: MDPI
ISBN: 3039284304
Category : Technology & Engineering
Languages : en
Pages : 188
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Book Description
The millimeter-wave frequency band (30–300 GHz) is considered a potential candidate to host very high data rate communications. First used for high capacity radio links and then for broadband indoor wireless networks, the interest in this frequency band has increased as it is proposed to accommodate future 5G mobile communication systems. The large bandwidth available will enable a number of new uses for 5G. In addition, due to the large propagation attenuation, this frequency band may provide some additional advantages regarding frequency reuse and communication security. However, a number of issues have to be addressed to make mm-wave communications viable. This book collects a number of contributions that present solutions to these challenges.
Author: Apostolos Georgiadis
Publisher: John Wiley & Sons
ISBN: 1118406354
Category : Technology & Engineering
Languages : en
Pages : 552
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Book Description
Microwave and Millimeter Wave Circuits and Systems: Emerging Design, Technologies and Applications provides a wide spectrum of current trends in the design of microwave and millimeter circuits and systems. In addition, the book identifies the state-of-the art challenges in microwave and millimeter wave circuits systems design such as behavioral modeling of circuit components, software radio and digitally enhanced front-ends, new and promising technologies such as substrate-integrated-waveguide (SIW) and wearable electronic systems, and emerging applications such as tracking of moving targets using ultra-wideband radar, and new generation satellite navigation systems. Each chapter treats a selected problem and challenge within the field of Microwave and Millimeter wave circuits, and contains case studies and examples where appropriate. Key Features: Discusses modeling and design strategies for new appealing applications in the domain of microwave and millimeter wave circuits and systems Written by experts active in the Microwave and Millimeter Wave frequency range (industry and academia) Addresses modeling/design/applications both from the circuit as from the system perspective Covers the latest innovations in the respective fields Each chapter treats a selected problem and challenge within the field of Microwave and Millimeter wave circuits, and contains case studies and examples where appropriate This book serves as an excellent reference for engineers, researchers, research project managers and engineers working in R&D, professors, and post-graduates studying related courses. It will also be of interest to professionals working in product development and PhD students.
Author: Tasuku Teshirogi
Publisher: IOS Press
ISBN: 9781586030988
Category : Science
Languages : en
Pages : 318
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Book Description
This text covers the study of millimeter-waves from the basics to the state-of-the-art devices and application systems.
Author: Med Nariman
Publisher:
ISBN: 9781369227116
Category :
Languages : en
Pages : 109
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Book Description
The Internet of Things (IoT) would add computational power to a plethora of ordinary objects. Potential applications are vast and vary in terms of maturity from sensors tracking energy usage to smart wearables and many more futuristic applications. A challenge shared by many of such small devices, in the order of a few centimeters in length and width, is battery and power. Cost, size, weight, and lifetime of the battery motivate alternative methods for providing energy to such devices. A practical Wireless Power Transfer (WPT) system which can power battery-less and charge coil-free smart everyday-objects has a tremendous potential to address this demand. In this work we offer a reliable solution. The 60-GHz WPT system that is built in this project can be employed by any smart device which can be placed at a reasonably close distance to its power transmitter, without the alignment and proximity challenges which are associated with the magnetic charging solutions. The leading applications to benefit enormously from this new 60-GHz WPT technology are miniature IoT devices, smart charge cards, business cards and IDs, smart posters, sensor fusion, and wireless flash memories.In this work, the first reported full-system 60-GHz WPT solution which can power battery-less and charge coil-free compact smart devices is presented. The system is fabricated in a 40-nm digital CMOS process and an inexpensive 500-mum CCL-HL832MG antenna packaging material. The rectenna (RX) of this 60-GHz WPT system consists of a grid antenna with a measured gain of 10.7 dBi, integrated with a tuned complementary cross-coupled oscillator-like rectifier. It harvests DC power at a rate of 1 mW with a 28.2% RF-to-DC Power Conversion Efficiency (PCE). This PCE rate is significantly higher than the prior art and reaches 32.8% for 1.4 mA output current. A novel theoretical analysis of the unique rectifier circuitry is presented which helps formulating all key specifications and identifying the design trade-offs. We present a cascode version of the energy harvester that produces higher DC output voltage and higher PCE in low current regime. The theoretical analysis and the results of the measurement for that harvester is also presented. The transmitter (TX) is equipped with a quad-core power amplifier which produces a total saturated output power (Psat) of 24.6 dBm, which is the highest reported power delivery in digital CMOS technology at mm-wave bands. The TX peak PAE is 9.4%. The quad-core PA performs a 4 x 8-way differential power combining and implements a binary-tree architecture by using power-splitting transformers which perform intra-stage matching too. The designed 2 x 2 grid array antenna helps the TX produce a peak EIRP level of 35.3 dBm. The coupling between the TX and RX antennas within 4 cm spacing is between -18.9 and -17.4dB. The results of full-system characterizations of the WPT solution and the measurements data of the individually-fabricated grid antennas, harvester, transmitter, and all building blocks are reported. Programmability in the input polarities of the quad-core PA offers output power control and beam-steering capabilities to this 60-GHz WPT system. A four-input grid antenna is designed for the TX which in simulation shows an effective 70° beam-steering range in the broadside direction.In order to demonstrate how the design and implementation of all the 60-GHz circuitry has been as successful as they are, the design of the VCOs, quadrature VCOs, PAs, unit-cell devices, pads and calibration circuitry, passive components like inductors, transformers, capacitors, the patch antennas, and the grid array antennas that have been done before the final implementation of the full wireless power transfer system are presented as well and the key design points are specified and explained. The architecture study for the transmitter and the energy harvester are also included in this dissertation since they have been most vital parts of accomplishing the design of the highest transmit power delivery and highest rectenna power conversion efficiency in digital CMOS technology. The 60-GHz WPT system designed for this work can serve miniature sized smart everyday-objects which require milliwatt-level power delivery and work in contact-less and close-proximity distances. The full-system measurement results of the proposed 60-GHz wireless power transfer solution demonstrate the suitability of this mm-wave WPT system for addressing the demand for wireless power of batteryless and coil-free devices with stringent size constraints of new applications, like the IoT.
Author: Tatsuo Itoh
Publisher: John Wiley & Sons
ISBN: 0471463922
Category : Technology & Engineering
Languages : en
Pages : 482
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Book Description
A survey of microwave technology tailored for professionals in wireless communications RF Technologies for Low Power Wireless Communications updates recent developments in wireless communications from a hardware design standpoint and offers specialized coverage of microwave technology with a focus on the low power wireless units required in modern wireless systems. It explores results of recent research that focused on a holistic, integrated approach to the topics of materials, devices, circuits, modulation, and architectures rather than the more traditional approach of research into isolated topical areas. Twelve chapters deal with various fundamental research aspects of low power wireless electronics written by world-class experts in each field. The first chapter offers an overview of wireless architecture and performance, followed by detailed coverage of: Advanced GaAs-based HBT designs InP-based devices and circuits Si/SiGe HBT technology Noise in GaN devices Power amplifier architectures and nonlinearities Planar-oriented components MEMS and micromachined components Resonators, filters, and low-noise oscillators Antennas Transceiver front-end architectures With a clear focus and expert contributors, RF Technologies for Low Power Wireless Communications will be of interest to a wide range of electrical engineering disciplines working in wireless technologies.
Author: Jaco du Preez
Publisher: Springer
ISBN: 3319350684
Category : Technology & Engineering
Languages : en
Pages : 165
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Book Description
This book comprehensively reviews the state of the art in millimeter-wave antennas, traces important recent developments and provides information on a wide range of antenna configurations and applications. While fundamental theoretical aspects are discussed whenever necessary, the book primarily focuses on design principles and concepts, manufacture, measurement techniques, and practical results. Each of the various antenna types scalable to millimeter-wave dimensions is considered individually, with coverage of leaky-wave and surface-wave antennas, printed antennas, integrated antennas, and reflector and lens systems. The final two chapters address the subject from a systems perspective, providing an overview of supporting circuitry and examining in detail diverse millimeter-wave applications, including high-speed wireless communications, radio astronomy, and radar. The vast amount of information now available on millimeter-wave systems can be daunting for researchers and designers entering the field. This book offers readers essential guidance, helping them to gain a thorough understanding based on the most recent research findings and serving as a sound basis for informed decision-making.
